<div class="container" [style.background-position]="(answerCoverIndex*positionBase)+'%'+'  0'">
   <div class="answer_content">
      <span>{{questions[currentQuestionIndex]?.num}}.	</span>{{questions[currentQuestionIndex]?.content}} <span style="color: #FFFFFF;" *ngIf="!isSingle">已选：({{selectMultiply}}/10)</span>
   </div>
  <div class="select_list" *ngIf="isSingle" >
    <nz-radio-group [(ngModel)]="radioValue">
      <label nz-radio [ngStyle]="style" nzValue="0">{{questions[currentQuestionIndex]?.options[0]?.content}}</label>
      <label nz-radio [ngStyle]="style" nzValue="1">{{questions[currentQuestionIndex]?.options[1]?.content}}</label>
      <label nz-radio [ngStyle]="style" nzValue="2">{{questions[currentQuestionIndex]?.options[2]?.content}}</label>
    </nz-radio-group>
  </div>
  <div class="multiply_list" *ngIf="!isSingle" [style.height]="multiplyBoxHeight+'px'">
      <div *ngFor="let option of questions[currentQuestionIndex]?.options "><label nz-checkbox [(ngModel)]="option.checked" (ngModelChange)="selectMultipleOptions($event)">{{option.content}}</label></div>
  </div>
  <div  class="btn_1" (click)="selectAnwser()">{{isSingle?'下一题':'提交'}}</div>
  <div class="schedule">
    {{currentQuestionIndex+1}}/{{questions.length}}
  </div>
</div>

